[Openstack-stable-maint] Stable check of openstack/oslo.versionedobjects for ref refs/heads/stable/train failed

Build failed. https://zuul.opendev.org/t/openstack/buildset/a5bce8959aa5477aba936d693c6ace... - openstack-tox-docs https://zuul.opendev.org/t/openstack/build/1f6fec001dd54aa798b01dab46775a94 : SUCCESS in 3m 52s - openstack-tox-py27 https://zuul.opendev.org/t/openstack/build/a39f1eba31f54984aa20bf8fefd916fb : FAILURE in 3m 53s - openstack-tox-py36 https://zuul.opendev.org/t/openstack/build/457e1a7f16d644438e15ab611d6c306e : SUCCESS in 4m 57s - openstack-tox-py37 https://zuul.opendev.org/t/openstack/build/ea652e34ebfc4b15a4f13939430a4f9f : SUCCESS in 5m 12s